Parthenium incanum Kunth
W. R. Carr (with David Hernandez) 14146
Date: 13 September 1994
United States, Texas, Starr, Along S perimeter fence in W half of tract, ca. 3.8 airmiles N to NNE of jct. F. M. 755 and westbound US Rt. 83 in Rio Grande City. Lower Rio Grande Valley National Wildlife Refuge, Los Olmos Tract. Rio Grande City North Quadrangle. Elev. 220 ft.
26d 35m 51s N; 98d 47m 48s
Habitat and Description:
Shrub 3-6 ft. tall; common in xerophytic thorn shrubland on moderately deep, well drained, calcareous, moderately alkaline, fine sandy loam Ustochreptic Camborthids (Copita Series), in flat between gravel hills. Associates include Cercidium texanum, Koeberlinia spinosa, Opuntia leptocaulis, O. lindheimeri, Prosopis glandulosa.
Record Id: d91bcbff-ef21-4bb1-9746-c866a6135447